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  • 755Votes

The Big Bang Theory: Season 4

4x15 The Benefactor Factor

  • Aired2011-02-11T01:00:00Z
  • NetworkCBS
  • CountryUnited States
  • LanguageEnglish
  • Runtime21 minutes
  • Certification
    TV-PG

A wealthy donor to the university makes Leonard consider how far he's willing to go for the sake of science.

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